Holographic storage medium and method and apparatus for...

Details Holographic storage medium and method and apparatus for... Holographic storage medium and method and apparatus for...

2011-04-05

2011-04-05

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

Reexamination Certificate

active

07920311

ABSTRACT:
A method and apparatus for recording and/or reproducing data to and/or from a holographic storage medium and a holographic storage medium therefor are provided. The method of reproducing data from the holographic storage medium, in which a hologram containing data is recorded through interference between a signal beam and a reference beam, the data being recorded in pages and a plurality of the pages being recorded in a book, includes controlling the reference beam so that an increasing/decreasing order of a reference beam in a current book which is currently reproduced is reverse to an increasing/decreasing order of a reference beam in a previous book which was reproduced before the current book, and reproducing pages of the current book from the holographic storage medium according to the controlling of the reference beam.

REFERENCES:
patent: 2004/0179251 (2004-09-01), Anderson et al.
patent: 2006/0007512 (2006-01-01), Kanesaka et al.
patent: 2006/0126143 (2006-06-01), Ezura et al.
patent: 2006/0146386 (2006-07-01), Yamatsu et al.
patent: 2005-310308 (2005-11-01), None
Hans Coufal et al. (Eds.), Springer Series in Optical Sciences (v. 76, 2000)(ISBN 3-540-66691-5).
Merriam-Webster Collegiate Dictionary 63 (11th ed. 2003).
International Search Report and Written Opinion issued in corresponding PCT International Application No. PCT/KR2007/005096 dated Jan. 24, 2008.

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